curl-w32/docs/libcurl/opts/CURLINFO_RTSP_SESSION_ID.md

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---
c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
SPDX-License-Identifier: curl
Title: CURLINFO_RTSP_SESSION_ID
Section: 3
Source: libcurl
See-also:
- CURLINFO_RTSP_CSEQ_RECV (3)
- curl_easy_getinfo (3)
- curl_easy_setopt (3)
---
# NAME
CURLINFO_RTSP_SESSION_ID - get RTSP session ID
# SYNOPSIS
~~~c
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_RTSP_SESSION_ID, char **id);
~~~
# DESCRIPTION
Pass a pointer to a char pointer to receive a pointer to a string holding the
most recent RTSP Session ID.
Applications wishing to resume an RTSP session on another connection should
retrieve this info before closing the active connection.
The **id** pointer is NULL or points to private memory. You MUST NOT free -
it gets freed when you call curl_easy_cleanup(3) on the corresponding
CURL handle.
# PROTOCOLS
RTSP
# EXAMPLE
~~~c
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "rtsp://rtsp.example.com");
res = curl_easy_perform(curl);
if(res == CURLE_OK) {
char *id;
curl_easy_getinfo(curl, CURLINFO_RTSP_SESSION_ID, &id);
}
curl_easy_cleanup(curl);
}
}
~~~
# AVAILABILITY
Added in 7.20.0
# RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.